/Engine/Source/Runtime/SlateCore/Public/Input/Events.h
FWindowActivateEvent ( [EActivationType](API\Runtime\SlateCore\Input\FWindowActivateEvent\EActivationType) InActivationType, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWindow](API\Runtime\SlateCore\Widgets\SWindow) > InAffectedWindow )